Which of the following is a best method to control noise in the class room situation? [7120]

Q) Which of the following is a best method to control noise in the class room situation?

Options:
A)To give warnig to the students that they must keep silence
B) To speak loudly by the teacher to keep pace with the noise in the class
C) To watch the class silently and mintutely scan the class
D) To ignore the student’s noise,stand confidently and start teaching